build new buildkitd client: maybe start buildkitd: wait until started: buildkitd crashed

connection error: desc = "error reading server preface: command [docker exec -i earthly-buildkitd buildctl dial-stdio] has exited with exit status 1, please make sure the URL is valid, and Docker 18.09 or later is installed on the remote host: stderr=error: dial unix /run/buildkit/buildkitd.sock: connect: no such file or directory\n"

connection error: desc = "error reading server preface: command [docker exec -i earthly-buildkitd buildctl dial-stdio] has exited with exit status 1, please make sure the URL is valid, and Docker 18.09 or later is installed on the remote host: stderr=error: dial unix /run/buildkit/buildkitd.sock: connect: no such file or directory\n"

connection error: desc = "error reading server preface: command [docker exec -i earthly-buildkitd buildctl dial-stdio] has exited with exit status 1, please make sure the URL is valid, and Docker 18.09 or later is installed on the remote host: stderr=error: dial unix /run/buildkit/buildkitd.sock: connect: no such file or directory\n"